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authorJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
committerJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
commitd2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch)
tree98a3741b4d4b27a48b3c7ea9babe331e539416a8 /fs/hfsplus/options.c
parentd03a5d888fb688c832d470b749acc5ed38e0bc1d (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
Merge branch 'master' into next
Conflicts: security/smack/smack_lsm.c Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au> Ok'd by Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/hfsplus/options.c')
-rw-r--r--fs/hfsplus/options.c44
1 files changed, 42 insertions, 2 deletions
diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c
index f9ab276a4d8..bb62a588214 100644
--- a/fs/hfsplus/options.c
+++ b/fs/hfsplus/options.c
@@ -23,6 +23,7 @@ enum {
opt_umask, opt_uid, opt_gid,
opt_part, opt_session, opt_nls,
opt_nodecompose, opt_decompose,
+ opt_barrier, opt_nobarrier,
opt_force, opt_err
};
@@ -37,6 +38,8 @@ static const match_table_t tokens = {
{ opt_nls, "nls=%s" },
{ opt_decompose, "decompose" },
{ opt_nodecompose, "nodecompose" },
+ { opt_barrier, "barrier" },
+ { opt_nobarrier, "nobarrier" },
{ opt_force, "force" },
{ opt_err, NULL }
};
@@ -65,6 +68,32 @@ static inline int match_fourchar(substring_t *arg, u32 *result)
return 0;
}
+int hfsplus_parse_options_remount(char *input, int *force)
+{
+ char *p;
+ substring_t args[MAX_OPT_ARGS];
+ int token;
+
+ if (!input)
+ return 0;
+
+ while ((p = strsep(&input, ",")) != NULL) {
+ if (!*p)
+ continue;
+
+ token = match_token(p, tokens, args);
+ switch (token) {
+ case opt_force:
+ *force = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 1;
+}
+
/* Parse options from mount. Returns 0 on failure */
/* input is the options passed to mount() as a string */
int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
@@ -136,7 +165,9 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
if (p)
sbi->nls = load_nls(p);
if (!sbi->nls) {
- printk(KERN_ERR "hfs: unable to load nls mapping \"%s\"\n", p);
+ printk(KERN_ERR "hfs: unable to load "
+ "nls mapping \"%s\"\n",
+ p);
kfree(p);
return 0;
}
@@ -148,6 +179,12 @@ int hfsplus_parse_options(char *input, struct hfsplus_sb_info *sbi)
case opt_nodecompose:
set_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags);
break;
+ case opt_barrier:
+ clear_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags);
+ break;
+ case opt_nobarrier:
+ set_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags);
+ break;
case opt_force:
set_bit(HFSPLUS_SB_FORCE, &sbi->flags);
break;
@@ -177,7 +214,8 @@ int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt)
seq_printf(seq, ",creator=%.4s", (char *)&sbi->creator);
if (sbi->type != HFSPLUS_DEF_CR_TYPE)
seq_printf(seq, ",type=%.4s", (char *)&sbi->type);
- seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask, sbi->uid, sbi->gid);
+ seq_printf(seq, ",umask=%o,uid=%u,gid=%u", sbi->umask,
+ sbi->uid, sbi->gid);
if (sbi->part >= 0)
seq_printf(seq, ",part=%u", sbi->part);
if (sbi->session >= 0)
@@ -186,5 +224,7 @@ int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt)
seq_printf(seq, ",nls=%s", sbi->nls->charset);
if (test_bit(HFSPLUS_SB_NODECOMPOSE, &sbi->flags))
seq_printf(seq, ",nodecompose");
+ if (test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
+ seq_printf(seq, ",nobarrier");
return 0;
}